Discussion:
Consider the market for steel which is made of two identical firms (U.S. Steel and Bethlehem) which have identical marginal costs of $5.
The demand for steel is QD = 80 - 4P
(a) Suppose the firms compete ala Cournot. What is the equilibrium price and quantity for each firm?
(b) Suppose the firms acted as a collusive cartel. What is the equilibrium price and quatinty for the combined firms?
(c) Suppose the firms compete ala Bertrand. What is the equilibrium price and quantity for each firm?